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环保各行业处理工艺与废气分析

作者: 来源: 日期:2016-8-4 14:14:27 人气:0 评论:0

化工废气处理:

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制药工业废气处理:

    生物制药行业的废气BG视讯官方网站BG视讯官方网站,也是值得关注的主要污染源之一BG视讯官方网站BG视讯官方网站,以其最有代表性的原料药车间为例,其生产过程主要四个步骤BG视讯官方网站,基本为间歇式投料,24小时生产BG视讯官方网站,在排出的废气中含有甲苯BG视讯官方网站、乙酸乙酯BG视讯官方网站、甲醇BG视讯官方网站、二氧六环、三乙胺BG视讯官方网站BG视讯官方网站、DMSO等多种复杂的有机物成分,现部分车间已用PVC管和PVC收集罩收集后输送到简易水洗塔经过水洗排放。排放废气中有机物的总浓度平均值约为1500毫克/立方米左右BG视讯官方网站,对厂区及周边环境造成较大的污染BG视讯官方网站BG视讯官方网站BG视讯官方网站,环境需要进行有效治理,已达到国家规定的排放标准BG视讯官方网站。生物制药干燥废气处理、药行业生产过程中在发酵BG视讯官方网站BG视讯官方网站BG视讯官方网站、干燥、污水处理等工序均产生大量的恶臭异味气体BG视讯官方网站,发酵工段产生的含氨废气(扩散型)未经处理BG视讯官方网站、生产过程中产生的废气已影响企业的环境空气质量和人体健康BG视讯官方网站,亟待处理BG视讯官方网站BG视讯官方网站。


涂装行业废气处理:

    涂装是产品表面?;ず妥笆尾捎玫淖罨镜募际跏侄蜝G视讯官方网站,涂装作业遍及国民经济各个部门:家具、汽车等金属BG视讯官方网站、塑胶、竹木制品加工制作作业、涂装车间与打造成型(切BG视讯官方网站、销BG视讯官方网站、磨)车间是环境污染主要的生产场所BG视讯官方网站。在喷涂作业中BG视讯官方网站BG视讯官方网站BG视讯官方网站,溶剂型涂料的50%~70%在涂装过程中以漆雾飞散掉BG视讯官方网站BG视讯官方网站,涂料中绝大本分有机溶剂挥发释放到空气中BG视讯官方网站。


污水处理厂恶臭气味处理:

    各个行业污水处理站点与城市污水处理厂在运行过程中产生扰民的恶臭气味BG视讯官方网站BG视讯官方网站,污水处理工程中产生的恶臭成分主要是由蛋白质BG视讯官方网站BG视讯官方网站、脂肪BG视讯官方网站BG视讯官方网站、碳水化合物的微生物呼吸、发酵过程的产物和不完全产物、一般分为一下三类


1.含硫化合物——硫化氢、硫化钾BG视讯官方网站、甲基硫醚等BG视讯官方网站BG视讯官方网站;


2.含氮化合物——氨三甲胺BG视讯官方网站BG视讯官方网站BG视讯官方网站;


3.碳、氧或碳BG视讯官方网站BG视讯官方网站、氢BG视讯官方网站BG视讯官方网站、氧组成的化合物——低级醇BG视讯官方网站、醛、脂肪酸BG视讯官方网站。


恶臭气味主要产生环节在于进水格栅BG视讯官方网站、调节池BG视讯官方网站BG视讯官方网站、曝气尘沙池、厌氧池BG视讯官方网站、缺氧池BG视讯官方网站、曝气池BG视讯官方网站、污泥浓缩池和污泥中转等工序BG视讯官方网站BG视讯官方网站。


垃圾固废中转站及填料场臭气处理:

    垃圾中转站的目的是把居民区垃圾集中后,压缩打包BG视讯官方网站,在运送至垃圾填理场或垃圾处理厂进行集中处理BG视讯官方网站。垃圾的生产、收集BG视讯官方网站BG视讯官方网站、运输过程中同时伴随着发酵与腐烂BG视讯官方网站,散发出以硫化氢BG视讯官方网站、氨气BG视讯官方网站BG视讯官方网站、甲硫醇、甲硫醚为主的恶臭气体,且车辆进出BG视讯官方网站BG视讯官方网站BG视讯官方网站、装卸时引起垃圾渗滤液渗漏和扬尘BG视讯官方网站,对周边产生滋扰BG视讯官方网站。


Chemical waste gas treatment:


    Chemical Waste Gas refers to chemical manufacturing generated toxic and harmful gases. Chemical pollutants in the exhaust gas species contained a lot of complex physical and chemical properties, toxicity, are not the same, serious impact on human health and pollute the environment. In accordance with the form of the presence of pollutants, chemicals can be divided into the exhaust gas particulate pollutants and gaseous pollutants - usually particulate pollutants are mainly dust particles, dust, smoke, fog and dust, coal dust; gaseous pollutants are mainly sulfur compounds, chlorine compounds, oxides of carbon, hydrocarbons, halogen-oxygen compounds.


Pharmaceutical industrial waste gas treatment:


    One of the main sources of gas in the biopharmaceutical industry, is also noteworthy for its most representative pharmaceutical raw materials workshop, for example, four major steps of its production process, substantially intermittent feeding, 24-hour production, in the exhaust gas contains a variety of complex organic components toluene, ethyl acetate, methanol, dioxane, triethylamine, DMSO, etc., are part of the plant has been using PVC pipe and PVC cover collection after collection transported to simple washing after washing tower emissions. The total concentration of organic matter in the average emissions of about 1500 mg / cubic meter, the plant site and the surrounding environment cause greater pollution, environmental need for effective governance, have reached the national emission standards. Biopharmaceutical drying gas processing, pharmaceutical industry in the production process of fermentation, drying, sewage treatment and other processes are generating a lot of stench smell of gas, ammonia gas generated by the fermentation section (diffusion) of untreated exhaust gas generated in the production process has been affect ambient air quality and human health, urgent treatment.


Paint industry waste gas treatment:


    Painting is the most basic technology products surface protection and decorative uses, painting jobs throughout the various sectors of the national economy: furniture, automobiles and other metals, plastics, wood products processing and production operations, paint shop and create shape (cut, pin , grinding) plant is the main production sites of environmental pollution. In spraying operations, 50% to 70% solvent-based coatings in the coating process in order to fly out of the mist, paint the vast sub-volatile organic solvents released into the air.


Sewage Treatment Plant bad odor treatment:


    Site sewage treatment industries and urban sewage treatment plant odor nuisance odor during operation, malodorous components sewage treatment project is mainly generated by the breathing of protein, fat, carbohydrates microbial product of the fermentation process and incomplete product, what is generally divided into three categories


1. The sulfur compounds - hydrogen sulfide, potassium sulfide, methyl sulfide and the like;


2. The nitrogen-containing compounds - ammonia trimethylamine;


3. The compound of carbon, oxygen, or carbon, hydrogen and oxygen consisting of - lower alcohols, aldehydes, fatty acids.


The main aspects that produce foul odors inlet grille, regulation pool, dust aeration tank, anaerobic tank, anoxic, aeration tank, sludge thickener and sludge transfer processes.


Refuse solid waste transfer station and a filler field Odor Treatment:

    Refuse transfer stations aim is to focus on residential garbage after compression packaged, transported to the landfill management in the field or waste treatment plant for centralized treatment. Waste production, collection, transport process is accompanied by fermentation and decay, it emits hydrogen sulfide, ammonia, methyl mercaptan, dimethyl sulfide-based malodorous gases and vehicle access, causing leakage of leachate when loading and unloading and dust on the surrounding generate nuisance.



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